參數(shù)資料
型號: TC94A04AF
廠商: Toshiba Corporation
英文描述: 1 CHIP AUDIO DIGITAL PROCESSOR
中文描述: 1芯片音頻數(shù)字處理器
文件頁數(shù): 24/42頁
文件大?。?/td> 565K
代理商: TC94A04AF
TC94A04AF/AFD
2001-11-15
24
Command-4Ah (0100 1010): IFF (0000h
*
)
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
0
0
0
0
0
0
0
0
0
0
IFF2
IFF1
IFF0
Bit
Name
Description
Value
Operation
D15
to
D4
Fixed to 0 (zero)
0
*
IFFn
=
0
D3
IFF2
Set IFFn (n
=
2, 1, 0)
1
IFFn
=
1
Command-4Bh (0100 1011): DE-EMPH (0000h
*
)
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
DEMP
1
DEMP
0
Bit
Name
Description
Value
Operation
D15
to
D2
Fixed to 0 (zero)
0
*
De-emphasis Off
1
fs
=
32 kHz
2
fs
=
44.1 kHz
D1
D0
DEMP [1:0]
Set de-emphasis
3
fs
=
48 kHz
Command-4Ch (0100 1100): DAC-LR (1F1Fh
*
)
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
ATTL
4
ATTL
3
ATTL
2
ATTL
1
ATTL
0
0
0
0
ATTR
4
ATTR
3
ATTR
2
ATTR
1
ATTR
0
Bit
Name
Description
Value
Operation
D15
to
D13
Fixed to 0 (zero)
D12
to
D8
ATTL
[4:0]
DAC L-ch attenuator value
00h
to
1Fh
*
Code
: 00h 01h 02h
18h 19h
1Fh
ATT (dB) : 0
1
2
24 ca.
60
ca.
60
Initial value: 1Fh
D7
to
D5
Fixed to 0 (zero)
D4
to
D0
ATTR
[4:0]
DAC R-ch attenuator value
00h
to
1Fh
*
Code
: 00h 01h 02h
18h 19h
1Fh
ATT (dB) : 0
1
2
24 ca.
60
ca.
60
Initial value: 1Fh
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